259235085 has 16 divisors (see below), whose sum is σ = 421807680. Its totient is φ = 135914880.

The previous prime is 259235083. The next prime is 259235153. The reversal of 259235085 is 580532952.

It is not a de Polignac number, because 259235085 - 2¹ = 259235083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259235083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145576 + ... + 147345.

It is an arithmetic number, because the mean of its divisors is an integer number (26362980).

Almost surely, 2^259235085 is an apocalyptic number.

It is an amenable number.

259235085 is a deficient number, since it is larger than the sum of its proper divisors (162572595).

259235085 is a wasteful number, since it uses less digits than its factorization.

259235085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292988.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 259235085 is about 16100.7790184202. The cubic root of 259235085 is about 637.6239082486.

The spelling of 259235085 in words is "two hundred fifty-nine million, two hundred thirty-five thousand, eighty-five".